Cyclone Vardah may not weaken much when it makes landfall: Forecast

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Cyclonic storm Vardah, which was earlier expected to weaken considerably, may not see its intensity going down when it makes landfall near Chennai today.

Chennai: Tidel waves are seen rising high at the Ennore Beach in Chennai on Sunday. Cyclone Vardah's severe cycle is around 450 km east-north-east of Chennai and is likely to make landfall north of Chennai in the afternoon or evening of December 12. PTI Photo(PTI12_11_2016_000227B)
Chennai: Tidel waves are seen rising high at the Ennore Beach in Chennai on Sunday. Cyclone Vardah’s severe cycle is around 450 km east-north-east of Chennai and is likely to make landfall north of Chennai in the afternoon or evening of December 12. PTI Photo(PTI12_11_2016_000227B)

According to the Cyclone Warning Division of the India Meteorological Department, (IMD), Vardah, which is currently, a very severe cyclonic storm, will weaken, but only to a severe cyclonic storm.

The earlier forecast made by the IMD was that it would weaken into a cyclonic storm, thereby reducing its intensity considerably.

At 9:30 AM, the cyclone was lay centered around 105 kms east-northeast of Chennai. By the time it makes a landfall, its wind speed is expected to be 100-110 kmph with winds gusting up to 120 kmph.

The wind speed during a very severe cyclonic storm is 120 to 130 kmph. In a severe cyclonic storm the wind speed is somewhere between 110 to 80 kmph.

One of the major reasons for destruction in any cyclone is the wind velocity, apart from heavy to heavy rains and flooding.

Rainfall at most places with isolated heavy to very heavy falls over south coastal Andhra Pradesh, north coastal Tamil Nadu and Puducherry is very likely during 36 hrs.

The intensity of rain will increase gradually becoming heavy to very heavy rainfall (7-19 cm) at a few places and isolated extremely heavy rainfall (20 cm) over Chennai, Thiruvallur and Kanchipuram districts of Tamil Nadu and Nellore and Prakasam districts of Andhra Pradesh on December 12, the IMD said.

Tidal waves are expected to be about one metre higher than the astronomical tide. It is likely to inundate the low lying areas of Chennai, Thiruvallur and Kanchipuram districts of Tamil Nadu and Nellore districts of Andhra Pradesh during the time of landfall.

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